Home / 140,545.46-193,951.16-76,882.50

Finding the Fourth Proportional to 140,545.46, 193,951.16 and 76,882.50

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Solution

The fourth proportional to 140,545.46, 193,951.16 and 76,882.50 is: 106,096.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,545.46 : 193,951.16 = 76,882.50 : x
  2. Step 2: Convert to fraction form
    140,545.46/193,951.16 = 76,882.50/x
  3. Step 3: Cross multiply
    140,545.46x = 193,951.16 × 76,882.50
  4. Step 4: Simplify right side
    140,545.46x = 14,911,449,962.60
  5. Step 5: Solve for x
    x = 14,911,449,962.60/140,545.46
  6. Step 6: Final answer
    x = 106,096.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.